2021年9月20日 · FT-8900R Operating Manual 1 INTRODUCTION The FT-8900R is a ruggedly-built, high quality Quad Band FM transceiver providing 50 Watts of power output on the 29/50/144 MHz Amateur bands and 35 Watts on the 430 MHz band. The high power output of the FT-8900R is produced by its RD70HVF1 Power MOS FET